8n+4(-5-7n)=-2(n+1)

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Solution for 8n+4(-5-7n)=-2(n+1) equation:


Simplifying
8n + 4(-5 + -7n) = -2(n + 1)
8n + (-5 * 4 + -7n * 4) = -2(n + 1)
8n + (-20 + -28n) = -2(n + 1)

Reorder the terms:
-20 + 8n + -28n = -2(n + 1)

Combine like terms: 8n + -28n = -20n
-20 + -20n = -2(n + 1)

Reorder the terms:
-20 + -20n = -2(1 + n)
-20 + -20n = (1 * -2 + n * -2)
-20 + -20n = (-2 + -2n)

Solving
-20 + -20n = -2 + -2n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '2n' to each side of the equation.
-20 + -20n + 2n = -2 + -2n + 2n

Combine like terms: -20n + 2n = -18n
-20 + -18n = -2 + -2n + 2n

Combine like terms: -2n + 2n = 0
-20 + -18n = -2 + 0
-20 + -18n = -2

Add '20' to each side of the equation.
-20 + 20 + -18n = -2 + 20

Combine like terms: -20 + 20 = 0
0 + -18n = -2 + 20
-18n = -2 + 20

Combine like terms: -2 + 20 = 18
-18n = 18

Divide each side by '-18'.
n = -1

Simplifying
n = -1

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